Chain flexibility for tuning effective interactions in blends of polymers and polymer-grafted nanoparticles

Babji Palli, Venkat Padmanabhan
  • Soft Matter, January 2014, Royal Society of Chemistry
  • DOI: 10.1039/c4sm00991f

Enhanced nanoparticle dispersion with increasing polymer stiffness

What is it about?

Chain flexibility can be used to tune the effective interactions between polymer-grafted nanoparticles and homopolymer matrix. We observed that by increasing the stiffness of matrix and grafted chains, the autophobic dewetting of graft layer by matrix chains is significantly lowered resulting in improved wetting and dispersion.

Why is it important?

Our study can be used as a guide to synthesize polymer nanocomposites where dispersion of nanoparticles is of top prioity.

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